Description
Advanced Distributor Products #67 Piston — 10 Pack
The Advanced Distributor Products (ADP) 176799967 is a factory-specified #67 fixed-orifice metering piston designed for use in ADP air handler coil assemblies. Metering pistons provide a reliable, low-maintenance alternative to thermostatic expansion valves (TXVs) by delivering a fixed refrigerant flow rate precisely matched to the coil’s design capacity. The #67 designation identifies the specific orifice size, ensuring correct refrigerant metering for compatible ADP systems.
Product Highlights
- OEM-specified #67 fixed-orifice metering piston for ADP coil assemblies
- Provides consistent, accurate refrigerant flow control
- Low-maintenance design — no moving parts or external equalizer lines required
- Convenient 10-pack quantity ideal for stocking, service fleets, and wholesale distribution
- Direct replacement to maintain system efficiency and manufacturer specifications
- Compatible with ADP air handler and coil systems requiring the #67 orifice size
Application
These pistons are installed in the distributor assembly of ADP evaporator coils to meter liquid refrigerant entering the coil. Always verify the required piston size against the equipment model number and system design conditions before installation. Sold as a 10-pack for maximum value and job-site convenience.
Why Choose OEM ADP Pistons?
- Ensures proper system capacity and efficiency
- Maintains warranty compliance on ADP equipment
- Eliminates guesswork with factory-matched orifice sizing
- Trusted by HVAC professionals for reliable, repeatable performance







Reviews
There are no reviews yet.